168654321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{32143}}^1$

素因数の和:32213

約数の個数: 24

約数和(自身を含む): 270781056

約数和(自身を除く): 102126735

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 5247, 32143, 96429, 289287, 353573, 1060719, 1703579, 3182157, 5110737, 15332211, 18739369, 56218107, 168654321]

約数ペア:

[(1, 168654321), (3, 56218107), (9, 18739369), (11, 15332211), (33, 5110737), (53, 3182157), (99, 1703579), (159, 1060719), (477, 353573), (583, 289287), (1749, 96429), (5247, 32143)]